Measurements of Conductivity for Low Concentration Strong-electrolytes in Organic Solvents (Ⅰ） LiBr, LiCl, and LiNO3 in Alcohols

Abstract

Abstract: The conductivities of LiBr, LiCl, and LiNO₃ in methanol, ethanol, 1-propanol, and 2-propanol (with electrolyte concentrations <0.08 mol·L^-1) were determined at 298.15 K, 313.15 K, and 323.15 K at atmosphere pressure separately by using a conductivity meter. The conductivity data were correlated with Foss-Chen-Justice (FCJ) equation and the limiting molar conductivities were obtained. The mean ionic activity coefficients of the salts in the organic solvents were calculated according to the Debye-Hückel limiting law and Onsager-Falkenhangen equations. The calculated results were compared with those activity coefficients in literature.

Key words: conductivity, lithium salts, alcohols

摘要： The conductivities of LiBr, LiCl, and LiNO₃ in methanol, ethanol, 1-propanol, and 2-propanol (with electrolyte concentrations <0.08 mol·L^-1) were determined at 298.15 K, 313.15 K, and 323.15 K at atmosphere pressure separately by using a conductivity meter. The conductivity data were correlated with Foss-Chen-Justice (FCJ) equation and the limiting molar conductivities were obtained. The mean ionic activity coefficients of the salts in the organic solvents were calculated according to the Debye-Hückel limiting law and Onsager-Falkenhangen equations. The calculated results were compared with those activity coefficients in literature.

关键词: conductivity, lithium salts, alcohols

CHEN Hong, WANG Lisheng, JIANG Bo, LI Miyi. Measurements of Conductivity for Low Concentration Strong-electrolytes in Organic Solvents (Ⅰ） LiBr, LiCl, and LiNO₃ in Alcohols[J]. Chin.J.Chem.Eng., 2012, 20(5): 1024-1033.

陈红, 王利生, 姜波, 李弥异. Measurements of Conductivity for Low Concentration Strong-electrolytes in Organic Solvents (Ⅰ） LiBr, LiCl, and LiNO₃ in Alcohols[J]. Chinese Journal of Chemical Engineering, 2012, 20(5): 1024-1033.

References

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Measurements of Conductivity for Low Concentration Strong-electrolytes in Organic Solvents (Ⅰ） LiBr, LiCl, and LiNO₃ in Alcohols

Measurements of Conductivity for Low Concentration Strong-electrolytes in Organic Solvents (Ⅰ） LiBr, LiCl, and LiNO₃ in Alcohols

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